19755088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1231}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21492272

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1231, 2006, 2462, 4012, 4924, 8024, 9848, 16048, 19696, 20927, 41854, 72629, 83708, 145258, 167416, 290516, 334832, 581032, 1162064, 1234693, 2469386, 4938772, 9877544, 19755088]

約数ペア:

[(1, 19755088), (2, 9877544), (4, 4938772), (8, 2469386), (16, 1234693), (17, 1162064), (34, 581032), (59, 334832), (68, 290516), (118, 167416), (136, 145258), (236, 83708), (272, 72629), (472, 41854), (944, 20927), (1003, 19696), (1231, 16048), (2006, 9848), (2462, 8024), (4012, 4924)]